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/*
* Copyright (C) 2003-2010 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_OUTPUT_CONTROL_H
#define MPD_OUTPUT_CONTROL_H
#include <glib.h>
#include <stddef.h>
#include <stdbool.h>
struct audio_output;
struct audio_format;
struct config_param;
struct music_pipe;
static inline GQuark
audio_output_quark(void)
{
return g_quark_from_static_string("audio_output");
}
bool
audio_output_init(struct audio_output *ao, const struct config_param *param,
GError **error_r);
/**
* Enables the device.
*/
void
audio_output_enable(struct audio_output *ao);
/**
* Disables the device.
*/
void
audio_output_disable(struct audio_output *ao);
/**
* Opens or closes the device, depending on the "enabled" flag.
*
* @return true if the device is open
*/
bool
audio_output_update(struct audio_output *ao,
const struct audio_format *audio_format,
const struct music_pipe *mp);
void
audio_output_play(struct audio_output *ao);
void audio_output_pause(struct audio_output *ao);
void
audio_output_drain_async(struct audio_output *ao);
/**
* Clear the "allow_play" flag and send the "CANCEL" command
* asynchronously. To finish the operation, the caller has to set the
* "allow_play" flag and signal the thread.
*/
void audio_output_cancel(struct audio_output *ao);
void audio_output_close(struct audio_output *ao);
/**
* Closes the audio output, but if the "always_on" flag is set, put it
* into pause mode instead.
*/
void
audio_output_release(struct audio_output *ao);
void audio_output_finish(struct audio_output *ao);
#endif
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